The sweet taste is the tip of the tongue Salty on the end and sides of the tongue. Sour on the sides of the tongue. And bitterness on the tongue, "This is what modern science teacher, middle school teacher. With a view photo This makes us understand how human taste buds are concentrated along the four different areas of the tongue, sour, sweet and salty, but they get bitter, and we use the tongue to taste each individual flavor. Indeed, in taste perception, it is not mentioned at all. One can taste buds to the taste perception for almost every taste. Not discriminating categorically that this gland sweet not sour. Or gland that was not salty, bitter as it may seem. This can be easily proven Try lemon juice or vinegar, tap the tip of the tongue. You will feel it quite avant-garde at the tip of the tongue. This shows that we understand that the tongue can taste sweet sour. But it seems we do not pay attention to this conflict much misunderstanding about the taste of the tongue is the result of an experiment in 1901 by DP Hanig the measurement sensitivity in taste perception (taste sensitivity). The basic taste four flavors sweet, sour, salty, bitter at different areas of the tongue, which concluded that the tongue each sensitive to taste the four different, which means that every tongue part can taste the four flavors just been unequal. like a tongue sweet than other parts of the tongue, sour, salty, bitter and can also get it by later in the year 1942 Edwin Boring put raw data from trials of DP Hanig calculate the sensitivity. taste perception The value is calculated in comparison (relative) to the tongue other areas, but when Edwin Boring present data in graph form calculated to cause other scientists misunderstood. The area that is sensitive to taste each flavor under means can not taste it. Tongue Map well known was born since then. And remained on the books until now the basis of taste, of course. Everyone knows that the tongue is used to flavor food. But not only the tongue can taste it. We can recognize the taste palate. Epiglottis And esophagus with early Due to the different organs That said, there are taste buds (taste bud) dispersed. However, the tongue is the area with the most taste buds. Taste buds on the tongue to integration embedded within the taste buds (papillae, allowing the taste buds), taste buds have the first taste buds from 30-500 glands taste is similar. Onions contain cells of taste (taste cell) 50-100 cells by a similar row at the fingers hooked together. Stretch the ends to resemble hairs (microvilli) off to their exposure to chemicals in food. Taste cell one cell can taste a variety of flavors, but with the level of response may be slightly different.
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